package com.test.exercise;

import java.util.*;

public class Example {
	public static void main(String[] args) {
		Set<Integer> set = new TreeSet<Integer>();
//		Set<Integer> set = new HashSet<Integer>();
//		Set<Integer> set = new LinkedHashSet<Integer>();
		
//		System.out.println(new Target().name);
		
		set.add(new Integer(2));
		set.add(new Integer(1));
		System.out.println(set);
	}
}
